ZH Currtain Curtain Robot ZM85: Smart Upgrade, Effortless Start. The ZM85EL-2 Smart Curtain Robot Motor features a lithium battery design, eliminating the need for an external power outlet, making installation simple and hassle-free. Compatible with Roman rods, straight rails, and curved tracks, it transforms traditional curtains into smart ones with ease. It’s ideal for both residential and commercial applications, making it a perfect fit for any smart home system. The ZM85EL-2 Smart Curtain Robot Motor Unique Advantages: Control: RF433, Wi-Fi, Zigbee, Bluetooth, Matter; No need to reserve power sockets; Built-in lithium battery; Smart home connection; Percentage control position; Suitable for: Roman rods, straight tracks, and curved tracks; Safe load: 15KG per one.